Chengxin Silicone Rubber · Engineering and application insights

Silicone Rubber Knowledge

Explore articles on material selection, structural design and sample acceptance to help address your product questions.

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Keypads and Electronic Parts2026-07-14

Selecting Silicone Components for Smart Homes: Buttons, Waterproofing, and Silent Design

智能门锁、控制面板和传感设备对硅胶件同时提出了外观、手感、防水和耐久要求。设计初期应明确用户接触面与内部密封面 […]

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Sealing Design and Assembly2026-07-14

Silicone Seals for Electrical Connectors: Water Resistance Rating, Insertion/Extraction Force, and Tolerance Control

Seals in electrical connectors must maintain their waterproof performance during mating and unmating, under vibration, and during temperature fluctuations. The key factors are not only the O-ring itself, but also the pin holes, the housing, the tolerance chain, and assembly alignment […]

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Materials and Environmental Validation2026-07-13

Comparison of Silicone and EPDM Sealing Strips: Weather Resistance, Temperature Resistance, and Application Selection

硅胶与 EPDM 都常用于密封条，但适用边界并不相同。选材要看温度、户外暴露、介质、阻燃需求和成本目标，而不是 […]

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Sealing Design and Assembly2026-07-13

Permanent Set in Silicone Rubber: Understanding the Metric and Mitigating Seal Failure

压缩永久变形反映硅胶在长期受压和温度作用后恢复原状的能力。它不是孤立的材料指标，而是材料、结构、温度和装配共同 […]

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Measurement, Quality and Procurement2026-07-13

Silicone Mold Acceptance Checklist: Dimensions, Appearance, Venting, and Mass Production Stability

The acceptance of a silicone mold is not about confirming that a sample part can be produced, but rather about confirming that it can be produced consistently under stable process conditions. Dimensions, venting, demolding, flash, and ease of maintenance should all be taken into account […]

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Measurement, Quality and Procurement2026-07-12

Cleanliness Requirements for Silicone Products: Control from Raw Materials Through Production to Packaging

Projects in the medical, food, and electronics assembly industries, among others, are setting increasingly specific requirements for the cleanliness of silicone components. Effective cleanliness control should address foreign matter, oil contamination, volatile residues, and packaging protection, while […]

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